Question: (a)A single acting reciprocating pump has a piston diameter 15 cm and stroke length 30 cm. The centre of the pump is 5 m

(a)A single acting reciprocating pump has a piston diameter 15 cm and stroke length 30 cm. The centre of the pump is 5 m above the level of water in sump and 33 m below delivery water level. The lengths of suction and delivery pipes are 6.5 m and 39 m respectively and both the pipes have the same diameter of 75 mm. If the pump is working at 30 r.p.m., find the pressure head on the piston at the beginning, middle and end of both suction and delivery strokes, and find the power required to drive the pump, take Darcy's friction factor for both the pipes as 0.04. Draw the indicator diagram. (b) A fluid (p = 1200 kg/m^3 ) flows through a horizontal 3.0 mm diameter pipe. When the Reynolds number is 1500, the head loss over a 6 m length of pipe is 2 m of that particular fluid. Determine the mass flow rate in kg/hr of the fluid at this condition.

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